Possibly an urban legend
Following a defeat of the All Blacks at the hands of the Wallabies, a disgruntled Kiwi fan showed his displeasure by writing the following on the wall of a bathroom at the stadium:

AUSTRALIA SUX

Unfortunately for the hapless sheep-shagger, an Australian fan then followed this up with:

NEW ZEALAND NUL
(oball needs Satan more than he needs me, Fri 8 Oct 2010, 0:35, 6 replies)

ha ha ha!
the land of the fush n' chups!
( real i'm not happy 'til you're not happy, Fri 8 Oct 2010, 1:59, closed)

Thats racist

( jakedamusss I understand, and dont care., Fri 8 Oct 2010, 4:56, closed)

Youre racist.

(Falstaff's Spiritual Successor, Fri 8 Oct 2010, 8:44, closed)

Racust...
Surely?
( e.m.m.y. foxtrot uniform charlie kilo india tango, Fri 8 Oct 2010, 10:07, closed)

Ricist, perhaps.
That's how an Ozzie would say it. Ricist besterd. Yes, I think it works.
(Falstaff's Spiritual Successor, Fri 8 Oct 2010, 11:42, closed)

Cook me some eggs

(oball needs Satan more than he needs me, Fri 8 Oct 2010, 11:13, closed)